Fabrication of SS316L/Ni25 Functionally Gradient Materials Using Laser Engineered Net Shaping

Abstract:

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Functionally gradient materials(FGMs) were successfully fabricated with compositions gradually changed from 100% stainless steel 316L to 100% Ni25 alloy using laser engineered net shaping(LENS) technology. The microstructure characterization, composition analysis and microhardness along the gradient direction are investigated. Meanwhile, the defects in the sample such as cracks and pores are analyzed. The results indicated that the microstructure evolves from columnar dendrite to cellular-crystal or equiaxed dendrite.

Info:

Periodical:

Materials Science Forum (Volumes 675-677)

Edited by:

Yi Tan and Dongying Ju

Pages:

803-806

DOI:

10.4028/www.scientific.net/MSF.675-677.803

Citation:

D. J. Wu et al., "Fabrication of SS316L/Ni25 Functionally Gradient Materials Using Laser Engineered Net Shaping", Materials Science Forum, Vols. 675-677, pp. 803-806, 2011

Online since:

February 2011

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Price:

$35.00

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